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Deba (Ewa, Teba) Shima Lighthouse

Fl White 10s🇯🇵Mugi, JPOperational

Location & Light Range

About Deba (Ewa, Teba) Shima Lighthouse

The Deba Shima lighthouse, also known as Ewa or Teba Shima, was built in 1959 and stands 11 meters tall. Its structure is an octagonal, hourglass-shaped concrete tower with a gallery, formerly connected to a single-story concrete equipment building. The light is positioned at a focal height of 87 meters and emits a white flash every 10 seconds, visible for 23.4 nautical miles. This active aid to navigation is located near the village of Mugi in Tokushima Prefecture. The lighthouse site is open to visitors, though the tower itself remains closed.

Why it matters: This lighthouse is essential for local navigation, guiding fishing boats and other coastal traffic around the island. Its unique octagonal hourglass design also makes it a distinctive architectural feature.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
87m
Geographic Range
23.4NM

Construction & History

Year Built
1959

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
octagonal
Material
concrete

Structure: octagonal hourglass-shaped concrete tower with gallery, formerly attached to a 1-story concrete equipment building

Location

City
Mugi
Country
🇯🇵Japan
Region
Tokushima Prefecture
Sea Region
Deba Shima
Latitude
33.6308°
Longitude
134.4246°

References & Identifiers

Nearest Port
Mugi(1.9 km)
ARLHS No.
JPN-637
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Frequently Asked Questions

How do mariners identify Deba (Ewa, Teba) Shima Lighthouse at night?+
Deba (Ewa, Teba) Shima displays the characteristic Fl White 10s. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Deba (Ewa, Teba) Shima Lighthouse guide vessels into?+
Deba (Ewa, Teba) Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Asakawa at 2.6 NM to the W. Other ports served include Kannoura (8.1 NM SW), Hiwasa (8.5 NM NE), Yuki (11.6 NM NE), Yuki (11.8 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Deba (Ewa, Teba) Shima Lighthouse still active and maintained?+
Yes, Deba (Ewa, Teba) Shima Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Deba (Ewa, Teba) Shima Lighthouse?+
Deba (Ewa, Teba) Shima Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Deba (Ewa, Teba) Shima Lighthouse?+
You can track vessels near Deba (Ewa, Teba) Shima Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.